TUN-8052: Update go to 1.21.5

Also update golang.org/x/net and google.golang.org/grpc to fix vulnerabilities,
although cloudflared is using them in a way that is not exposed to those risks

vendor/google.golang.org/grpc/grpclog/loggerv2.go

@@ -22,7 +22,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"os"
 	"strconv"
@@ -34,35 +33,35 @@ import (
 // LoggerV2 does underlying logging work for grpclog.
 type LoggerV2 interface {
 	// Info logs to INFO log. Arguments are handled in the manner of fmt.Print.
-	Info(args ...interface{})
+	Info(args ...any)
 	// Infoln logs to INFO log. Arguments are handled in the manner of fmt.Println.
-	Infoln(args ...interface{})
+	Infoln(args ...any)
 	// Infof logs to INFO log. Arguments are handled in the manner of fmt.Printf.
-	Infof(format string, args ...interface{})
+	Infof(format string, args ...any)
 	// Warning logs to WARNING log. Arguments are handled in the manner of fmt.Print.
-	Warning(args ...interface{})
+	Warning(args ...any)
 	// Warningln logs to WARNING log. Arguments are handled in the manner of fmt.Println.
-	Warningln(args ...interface{})
+	Warningln(args ...any)
 	// Warningf logs to WARNING log. Arguments are handled in the manner of fmt.Printf.
-	Warningf(format string, args ...interface{})
+	Warningf(format string, args ...any)
 	// Error logs to ERROR log. Arguments are handled in the manner of fmt.Print.
-	Error(args ...interface{})
+	Error(args ...any)
 	// Errorln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
-	Errorln(args ...interface{})
+	Errorln(args ...any)
 	// Errorf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
-	Errorf(format string, args ...interface{})
+	Errorf(format string, args ...any)
 	// Fatal logs to ERROR log. Arguments are handled in the manner of fmt.Print.
 	// gRPC ensures that all Fatal logs will exit with os.Exit(1).
 	// Implementations may also call os.Exit() with a non-zero exit code.
-	Fatal(args ...interface{})
+	Fatal(args ...any)
 	// Fatalln logs to ERROR log. Arguments are handled in the manner of fmt.Println.
 	// gRPC ensures that all Fatal logs will exit with os.Exit(1).
 	// Implementations may also call os.Exit() with a non-zero exit code.
-	Fatalln(args ...interface{})
+	Fatalln(args ...any)
 	// Fatalf logs to ERROR log. Arguments are handled in the manner of fmt.Printf.
 	// gRPC ensures that all Fatal logs will exit with os.Exit(1).
 	// Implementations may also call os.Exit() with a non-zero exit code.
-	Fatalf(format string, args ...interface{})
+	Fatalf(format string, args ...any)
 	// V reports whether verbosity level l is at least the requested verbose level.
 	V(l int) bool
 }
@@ -140,9 +139,9 @@ func newLoggerV2WithConfig(infoW, warningW, errorW io.Writer, c loggerV2Config)
 // newLoggerV2 creates a loggerV2 to be used as default logger.
 // All logs are written to stderr.
 func newLoggerV2() LoggerV2 {
-	errorW := ioutil.Discard
-	warningW := ioutil.Discard
-	infoW := ioutil.Discard
+	errorW := io.Discard
+	warningW := io.Discard
+	infoW := io.Discard
 
 	logLevel := os.Getenv("GRPC_GO_LOG_SEVERITY_LEVEL")
 	switch logLevel {
@@ -183,53 +182,53 @@ func (g *loggerT) output(severity int, s string) {
 	g.m[severity].Output(2, string(b))
 }
 
-func (g *loggerT) Info(args ...interface{}) {
+func (g *loggerT) Info(args ...any) {
 	g.output(infoLog, fmt.Sprint(args...))
 }
 
-func (g *loggerT) Infoln(args ...interface{}) {
+func (g *loggerT) Infoln(args ...any) {
 	g.output(infoLog, fmt.Sprintln(args...))
 }
 
-func (g *loggerT) Infof(format string, args ...interface{}) {
+func (g *loggerT) Infof(format string, args ...any) {
 	g.output(infoLog, fmt.Sprintf(format, args...))
 }
 
-func (g *loggerT) Warning(args ...interface{}) {
+func (g *loggerT) Warning(args ...any) {
 	g.output(warningLog, fmt.Sprint(args...))
 }
 
-func (g *loggerT) Warningln(args ...interface{}) {
+func (g *loggerT) Warningln(args ...any) {
 	g.output(warningLog, fmt.Sprintln(args...))
 }
 
-func (g *loggerT) Warningf(format string, args ...interface{}) {
+func (g *loggerT) Warningf(format string, args ...any) {
 	g.output(warningLog, fmt.Sprintf(format, args...))
 }
 
-func (g *loggerT) Error(args ...interface{}) {
+func (g *loggerT) Error(args ...any) {
 	g.output(errorLog, fmt.Sprint(args...))
 }
 
-func (g *loggerT) Errorln(args ...interface{}) {
+func (g *loggerT) Errorln(args ...any) {
 	g.output(errorLog, fmt.Sprintln(args...))
 }
 
-func (g *loggerT) Errorf(format string, args ...interface{}) {
+func (g *loggerT) Errorf(format string, args ...any) {
 	g.output(errorLog, fmt.Sprintf(format, args...))
 }
 
-func (g *loggerT) Fatal(args ...interface{}) {
+func (g *loggerT) Fatal(args ...any) {
 	g.output(fatalLog, fmt.Sprint(args...))
 	os.Exit(1)
 }
 
-func (g *loggerT) Fatalln(args ...interface{}) {
+func (g *loggerT) Fatalln(args ...any) {
 	g.output(fatalLog, fmt.Sprintln(args...))
 	os.Exit(1)
 }
 
-func (g *loggerT) Fatalf(format string, args ...interface{}) {
+func (g *loggerT) Fatalf(format string, args ...any) {
 	g.output(fatalLog, fmt.Sprintf(format, args...))
 	os.Exit(1)
 }
@@ -249,11 +248,11 @@ func (g *loggerT) V(l int) bool {
 type DepthLoggerV2 interface {
 	LoggerV2
 	// InfoDepth logs to INFO log at the specified depth. Arguments are handled in the manner of fmt.Println.
-	InfoDepth(depth int, args ...interface{})
+	InfoDepth(depth int, args ...any)
 	// WarningDepth logs to WARNING log at the specified depth. Arguments are handled in the manner of fmt.Println.
-	WarningDepth(depth int, args ...interface{})
+	WarningDepth(depth int, args ...any)
 	// ErrorDepth logs to ERROR log at the specified depth. Arguments are handled in the manner of fmt.Println.
-	ErrorDepth(depth int, args ...interface{})
+	ErrorDepth(depth int, args ...any)
 	// FatalDepth logs to FATAL log at the specified depth. Arguments are handled in the manner of fmt.Println.
-	FatalDepth(depth int, args ...interface{})
+	FatalDepth(depth int, args ...any)
 }